19918422

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 25945578

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 139, 171, 278, 342, 417, 419, 834, 838, 1251, 1257, 2502, 2514, 2641, 3771, 5282, 7542, 7923, 7961, 15846, 15922, 23769, 23883, 47538, 47766, 58241, 71649, 116482, 143298, 174723, 349446, 524169, 1048338, 1106579, 2213158, 3319737, 6639474, 9959211, 19918422]

約数ペア:

[(1, 19918422), (2, 9959211), (3, 6639474), (6, 3319737), (9, 2213158), (18, 1106579), (19, 1048338), (38, 524169), (57, 349446), (114, 174723), (139, 143298), (171, 116482), (278, 71649), (342, 58241), (417, 47766), (419, 47538), (834, 23883), (838, 23769), (1251, 15922), (1257, 15846), (2502, 7961), (2514, 7923), (2641, 7542), (3771, 5282)]